CircularDependencyDetectionRecursionStopper.cc

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// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
// SPDX-License-Identifier: LGPL-3.0-or-later
#include "CircularDependencyDetectionRecursionStopper.h"
 
#include <ChimeraTK/Exception.h>
 
namespace ChimeraTK::detail {
 
  size_t CircularDependencyDetectionRecursionStopper::_globalScanCounter{0};
 
  void CircularDependencyDetectionRecursionStopper::startNewScan() {
    ++_globalScanCounter;
  }
  void CircularDependencyDetectionRecursionStopper::setRecursionDetected() {
    _localScanCounter = _globalScanCounter;
  }
  bool CircularDependencyDetectionRecursionStopper::recursionDetected() const {
    if(_globalScanCounter == 0) {
      throw ChimeraTK::logic_error(
          "CircularDependencyDetectionRecursionStopper::recursionDetected() called without starting a scan.");
    }
    return _localScanCounter == _globalScanCounter;
  }
 
} // namespace ChimeraTK::detail